When Mars Was Like Earth

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Would you believe me if I told you that Mars was once very similar to Earth? Perhaps there was once life on Mars, but currently, this is not the case. Over the decades, it has evolved and is now a totally different planet from our home. But let's talk about its golden age!

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Produced & Edited by:
Ardit Bicaj

Written by:
Nicole Amondi

Narrated by:
Russell Archey

Graphics:
NASA's Goddard Space Flight Center
Chris Smith (KBRwyle)
Conceptual Image Lab
JPL-Caltech/MSSS
Cornell

Music:
Breath Of Life - Gavin Luke

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Imagine if Mars had been able to keep its atmosphere and water

DMS-pq

It’s crazy to think about all the possible living being there that lived and died for all those years before our planet even cooled down

Allyourbase

I like to imagine that since earth has had millions of years of life on it, we've already been visited by extraterrestrial beings but millions of years ago so we've basically missed out chance.

and if not that, we're just screwed.

keyb

We know all this about Mars, and we still don’t know what’s under our oceans 🤷🏻‍♂️

arturocarranza

Again making Mars a livable planet will be tough but maybe it can be a link of the process by we were developed in earth by ancient Aliens... Hypothesis!

amitbanerjee

Another fascinating thing about Mars:
If we want to terraform Mars it firstly requires thickening the atmosphere with greenhouse gasses.
Meaning much of what we have done wrong on Earth would actually work to our advantage on Mars.

swolch

Personally I think there is a mystery as to how Mars lost its water because I don't think the stripping away of its atmosphere alone can count for literally how totally bone dry it is

KingBritish

Early escape of water bodies in Mars is due lack of developed forests and patchy vegetation and less grass areas due lack of rains or and poor clouds concentrations; my personal observation.

raddoh

This is exactly why we should embrace global warming. If the molten iron core of our planet cools down and solidifies, our magnetosphere will disappear and the solar radiation will strip away our atmosphere and the earth will suffer the same fate as mars.

teambenjamin

As long as there was rain on Mars the land should have been grown/sandy colored. It wouldn't turn red until it was dry.

blindandwatching

I'm sorry, but the temperature at Mars is much colder than on Earth so there is not likely to have been continuous flowing water given the fact that it would tend to be ice. Also, the temperature 4B years ago would have been less given the output from the Sun was less. That there might have been periods of flowing water is not out of the question, impacts and volcanic activity could add enough heat to melt a goodly amount of ice for a while, but unless the volcanic activity was continuous for a long time the odds are water would have been short lived between cycles of ice/water/ice. The barely there atmosphere would have made it likely that whatever water there was would, sooner or later, escape to space. Mars has been dead a long time.

Raptorman